Depending on the shipping method, the actual weight of the package or the larger of the actual weight and volumetric weight is used for calculation.
Shipping methods calculated by actual weight: SAGAWA, EMS, Air Mail, Sea Mail
Shipping methods calculated by the heavier of actual weight and volumetric weight: FedEx, DHL, OCS, SF Express
Note: YAMATO is calculated based on the total size of the three sides.